Paper roll warehousing system

The utility model relates to a paper roll warehousing system which comprises a film coating machine, a rotating mechanism, a detection mechanism, a control mechanism and an alarm mechanism. The rotating mechanism is arranged on one side of the film wrapping machine and used for rotating the paper roll so that the film wrapping machine can wrap the paper roll with the film. The rotating mechanism comprises a first driving part, a driving roller and a rotating roller, the driving roller is arranged on one side of the film wrapping machine, the first driving part is in transmission connection with the driving roller, the first driving part is used for providing driving force for the driving roller so as to drive the driving roller to rotate, and the rotating roller is arranged on one side of the driving roller; the detection mechanism is located on one side of the driving roller and used for detecting whether the driving roller is wound with a film or not. The detection mechanism is electrically connected with t